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← ScienceWhich risk increases when applying excessive voltage to a capacitor?
A)Dielectric breakdown reduces capacitance✓
B)Internal resistance causes thermal runaway
C)Inductance opposes charge accumulation
D)Electromagnetic field increases hysteresis
💡 Explanation
Applying excessive voltage leads to dielectric breakdown because it exceeds the dielectric strength of the material, triggering the avalanche breakdown mechanism, therefore reducing capacitance rather than causing thermal runaway; this requires resistive losses.
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